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Jetter engine problem...

03-21-2011, 09:03 PM

I've got the 13 horse Honda on my jetter. I went out to do a job today and found the cylinder was full of what appeared to be water. We always run it out of gas when we are done so there is no gas in the carb and the fuel supply is shut off.

It rides in an enclosed compartment on my septic truck, so It's not sitting out in the rain. I had the engine looked at last year and the carb rebuilt at the same time. Today the carb was leaking water from the gasket between the carb and the head.

This water had just a hint of fuel smell to it. Do you suppose the gas is so bad that within a months time it seperated out that much water?

The reason I took it in last year was for the same problem. I'm at a loss, but need to get this straigtened out ASAP.

Comment

these are air cooled/ oil cooled engines. there should be no water whatsoever in the carb, piston, oil. I agree.

are you sure the compartment is 100% watertight? I've never seen the machine wet when I open up the cabinet. are your garden hose connectors also water tight and not spraying into the carb when left on? Yes, no leaks.

now the jetter pump having water in the gear case is understandable. the engine, is an explainable mystery

Comment

Not a licensed mechanic so I'm unsure if I should give you any advice but I think you have a leak somewhere. By some weird chance, is it possible your sense of smell and sight has gone down and the gas looks like water? How does your oil look? Milky at all? Do you leave the water supply on and connected to the pump at all times? Did you see any sign of corrosion to signify standing water? I just had my van sit for 8 months and the gas was still good, doubt the gas seperated. This is a good mystery, please keep us updated.

Comment

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Comment

Not a licensed mechanic so I'm unsure if I should give you any advice but I think you have a leak somewhere. By some weird chance, is it possible your sense of smell and sight has gone down and the gas looks like water? How does your oil look? Milky at all? Do you leave the water supply on and connected to the pump at all times? Did you see any sign of corrosion to signify standing water? I just had my van sit for 8 months and the gas was still good, doubt the gas seperated. This is a good mystery, please keep us updated.

The machine does not stay connected to any water source. I pull it off the truck, use it and put it away. I doubt my sense of smell and sight are suspect as it should have fired if it was gas after I blew most of the liquid out of the cylinder. I forgot to look at the oil. I'll check that tomorrow.

It might be. Scratch that. Some of it was old and certainly what was in the carb and cylinder was old but the tank was mostly empty and I filled it at the pump today. I may try to put Stay-Bil in the tank between uses after I get it all drained out and dried out.

I'm peaved that the carb is leaking and the fuel shut off is leaking, after I had both of them fixed.

I'm going to drain the carb into a glass jar and see what it looks like.

Comment

if there is water in the cylinder it is hydro locked. there is no way that condensation caused this. unless the engine went swimming.

there is one 2 answers.
1 you box leaks
2 water got in the exhaust or intake some how.

the reason I say exhaust or intake is the engine only has one valve open at one time..
to rectify
1 remove spark plug
2 drain water out of cylinder
3 drain oil out of engine
4 fill cylinder with marvins mystery oil
5 fill lower engine with oil
6 let the eninge sit a few day
7 turn the engine over by hand or pull the rope really slow.
8 after doing step 7 a few day drain cylinder and oil,
9 fill engine with new oil in the crank case and put new gas in and try to start.
just my 2 cents

Comment

Is it possible the temperature in the enclosed storage space changes so much it is heating up and cooling down the fuel tank and creating condensation in the tank and float bowl. The direct sun light on the enclosure can transfer a lot of heat into the compartment then at night it cools off possibly causing condensation. Just guessing.

Comment

I would buy a new float seat and float with needle to rule out the float sticking which is the most common hydro lock reason on a Honda. If it is direct drive unit the seal could be shot and that would make the oil level rise then fill the cylinder and cause hydro lock very very rare and your oil would be shot.

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Comment

I would buy a new float seat and float with needle to rule out the float sticking which is the most common hydro lock reason on a Honda. If it is direct drive unit the seal could be shot and that would make the oil level rise then fill the cylinder and cause hydro lock very very rare and your oil would be shot.